Home / 1,256,939.41-1,885,704.31-415,491.13

Finding the Fourth Proportional to 1,256,939.41, 1,885,704.31 and 415,491.13

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Solution

The fourth proportional to 1,256,939.41, 1,885,704.31 and 415,491.13 is: 623,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,939.41 : 1,885,704.31 = 415,491.13 : x
  2. Step 2: Convert to fraction form
    1,256,939.41/1,885,704.31 = 415,491.13/x
  3. Step 3: Cross multiply
    1,256,939.41x = 1,885,704.31 × 415,491.13
  4. Step 4: Simplify right side
    1,256,939.41x = 783,493,410,412.87
  5. Step 5: Solve for x
    x = 783,493,410,412.87/1,256,939.41
  6. Step 6: Final answer
    x = 623,334.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.